Evolve BMW N54 3" Catless Downpipes for 1M, 135i and 335i
Unlock serious performance from your BMW N54 with the Evolve 3 inch catless downpipes. Engineered in T301 stainless steel and expertly TIG welded, these N54 downpipes reduce back pressure for faster turbo spool, increased power and torque, and a deeper, more aggressive exhaust note. Perfect for BMW 1M, 135i and 335i owners chasing real gains, better response and that authentic twin turbo soundtrack.
These Evolve BMW N54 3 inch downpipes are a proven upgrade for E82 135i, E90 E91 E92 E93 335i and E82 1M applications. Whether you are going stage 1, stage 2 or building a full bolt-on setup, decat downpipes are the best first step on any N54 tuning journey. We have run these on our own cars and customer feedback has been superb, with noticeable improvements in throttle response and midrange punch.
Why choose Evolve N54 Catless Downpipes?
- 3 inch catless downpipe design with 2.5 inch outlet flange for optimal flow on N54 twin turbo engines
- Reduces back pressure for faster spool and sharper throttle response
- Power gains: +10 bhp and +10 lb ft on a stock car, up to +25 bhp and +30 lb ft when tuned
- T301 stainless steel, TIG welded, built for durability and heat resistance
- Fits both RHD and LHD models
- Supplied with gaskets and new bolts
- One year Evolve warranty with extended Nforcd lifetime warranty
Search-friendly fitment
BMW N54 3 inch catless downpipes fit:
- BMW 1 Series E82 Coupe / E88 Convertible 135i N54 2008 to 2010
- BMW 1 Series E82 1M N54 2011 to 2012
- BMW 3 Series E90 Saloon 335i N54 2006 to 2010
- BMW 3 Series E91 Touring 335i N54 2006 to 2010
- BMW 3 Series E92 Coupe 335i N54 2005 to 2010
- BMW 3 Series E93 Convertible 335i N54 2007 to 2010
Common search terms: BMW N54 downpipes, BMW 135i downpipe, BMW 335i downpipe, BMW 1M downpipes, E82 135i catless downpipes, E90 E92 E93 335i downpipes, N54 decat downpipes, Evolve N54 downpipe upgrade, 3 inch stainless downpipes UK.
Recommended installation parts
For a trouble-free install we recommend fresh OEM fittings:
- 2x Genuine BMW N54 N55 N63 S63 V-Band Exhaust Clamp (inc. 1M, M2, 335i and Z4 35is)
- 2x Genuine BMW N13 N54 N55 S55 Downpipe Gasket – Turbo Side (inc. 1M, M2 Competition, M3, M4, M135i, 135i, 335i and Hybrid 3)
- 1x Genuine BMW N54 N55 E60 E88 E90 Downpipe Gasket Kit (inc. 1M, 135i, 335i and 535xi)
Note: These downpipes are supplied with gaskets and new bolts. Using new OEM clamps and gaskets on the turbo side is highly recommended during fitting.
Tuning and CEL
We offer the BMS BMW N54 JB4 Tuning Box to manage the check engine light when running catless downpipes and to maximise performance gains.
Professional fitting
Want these fitted by specialists who know the N54 inside out? Book professional installation at Nforcd in Warwickshire. Request a fitting quote: Sales@nforcd.com
Part number
E-N54-DP-EVOLVE
Manufactured by
Evolve